Unfortunately not that well. Puzzle bosses tend to thwart extremely undermanned runs.
The minefield is just plain impossible with 3 people. We can't spare the healer to man the tower because the probes actually deal a lot of damage and we can't spare any damage dealer as it is already a challenge to beat the probe enrage with 2 (3850 DPS requirement).
We can 4-man it though, with someone in the tower pushing buttons...
Also thought of 3-manning TfB but again the puzzle boss is impossible so it's a bit discouraging
We may try EV NiM or something similar.
Sentinels are fine as they are! Proof:
Go nerf scounderls!